package com.future.jdkProxy;

/**
 * Description:
 * Author: weiruibai.vendor
 * Date: 2021/9/22 09:34
 */
public interface Calculator {
    public int add(int i, int j);

    public int sub(int i, int j);

    public int mult(int i, int j);

    public int div(int i, int j);

}
